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23ddc109ee
The functional test is based on https://github.com/Klaus2m5/6502_65C02_functional_tests It does NOT pass yet. :( However, I think it's a good idea to have it in the repo nonetheless, to make some incremental improvements. This PR is based on the `asm` branch, which should be merged first.
35 lines
889 B
Rust
35 lines
889 B
Rust
use mos6502::cpu;
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use mos6502::memory::Bus;
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use mos6502::memory::Memory;
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use std::fs::read;
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fn main() {
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// Load the binary file from disk
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let program = match read("examples/asm/functional_test/6502_functional_test.bin") {
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Ok(data) => data,
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Err(err) => {
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println!("Error reading functional test: {}", err);
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return;
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}
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};
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let mut cpu = cpu::CPU::new(Memory::new());
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cpu.memory.set_bytes(0x00, &program);
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cpu.registers.program_counter = 0x400;
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// run step-by-step
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let mut old_pc = cpu.registers.program_counter;
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while cpu.registers.program_counter != 0x3468 {
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cpu.single_step();
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println!("{cpu:?}");
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if cpu.registers.program_counter == old_pc {
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println!("Infinite loop detected!");
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break;
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}
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old_pc = cpu.registers.program_counter;
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}
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}
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